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Grade CW2M Nickel vs. Nickel 718

Both grade CW2M nickel and nickel 718 are nickel alloys. They have 73% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is nickel 718.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
12 to 50
Fatigue Strength, MPa 190
460 to 760
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
75
Tensile Strength: Ultimate (UTS), MPa 560
930 to 1530
Tensile Strength: Yield (Proof), MPa 310
510 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 960
980
Melting Completion (Liquidus), °C 1520
1340
Melting Onset (Solidus), °C 1460
1260
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
75
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 12
13
Embodied Energy, MJ/kg 170
190
Embodied Water, L/kg 290
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140 to 390
Resilience: Unit (Modulus of Resilience), kJ/m3 220
660 to 4560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
31 to 51
Strength to Weight: Bending, points 17
25 to 35
Thermal Shock Resistance, points 16
27 to 44

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 15 to 17.5
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 2.0
11.1 to 24.6
Manganese (Mn), % 0 to 1.0
0 to 0.35
Molybdenum (Mo), % 15 to 17.5
2.8 to 3.3
Nickel (Ni), % 60.1 to 70
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.8
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2
Tungsten (W), % 0 to 1.0
0